Cell phone case



FIG. 1 is a front, right-side, and top perspective view of a cell phone case showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawings are included for the purpose of illustrating portions of the cell phone case that form no part of the claimed design. 

CLAIM The ornamental design for a cell phone case, as shown and described. 